Keep your pool system performing at its best with the Pentair MasterTemp HD Pool Heater 461020 250K BTU.

The Pentair MasterTemp HD Pool Heater 461020 is a commercial-grade natural gas heater engineered to deliver 250,000 BTU of dependable, high-performance heating for demanding pool environments. Built to ASME certification standards, this model combines rugged construction, efficient combustion, and advanced control technology to provide consistent warmth, reduced fuel costs, and long service life in high-usage applications.

With a heavy-duty heat exchanger and intuitive digital control interface, the 461020 ensures rapid warm-up times, precise temperature management, and dependable performance—even under continuous or heavy load conditions. Its robust design and safety-minded features make it well-suited for facilities such as hotels, fitness centers, apartments, or large residential pools that require commercial-rated reliability.

Add it to your cart now and get your pool back up and running with genuine Pentair parts.